Math Terms
What word represents the answer you get when adding two numbers?
Sum
7 + 3 + 8
18
563 + 872
1,435
____ + 5 = 25 + 10
30
Mrs. Nelson is having a difficult time finding which TWO expressions have the same answer as 5 + 3 + 2. Can you help her?
A. 4 + 6 + 4
B. 3 + 7 + 0
C. 2 + 2 + 6
B and C
The equal sign represents that both sides need to have the same _____________.
Value
12 + 8 + 4
24
1,987 + 235
2,222
124 + 6 = ____ + 10
120
724 people were on campus on Monday. 345 people were on campus on Tuesday. How many people were on campus on both days?
1,069 people visited campus on both days.
This is an example of which property?
7 + 0 = 7
Identity
15 + 15 + 10
40
125 + 378 + 75
578
The sum of 3,824 and 1,062 is ________ less than 5,886.
1,000
3,842 + 1,062 = 5,886 - 1,000
Mrs. Engel collects 1,325 cat stuffed animals. She collects 270 less cat stuffed animals than Mrs. Nelson. How many cat stuffed animals do they collect in all?
1,325 (Engel) + 270 = 1,595 (Nelson)
1,325 + 1,595 =2,920 cat stuffed animals in all
This is an example of which property?
6 + 4 = 4 + 6
Commutative
35 + 6 + 4
45
6,274 + 2,338
8,612
60 + _______ = 100 + 280
320
1,476 people visited the State Fair on Saturday. 432 more people visited the State Fair on Sunday than on Saturday. How many people visited the State Fair in the two days?
Saturday visitors: 1,476
Sunday visitors: 1,476 + 432 = 1,908
Total for both days: 1,476 + 1,908 = 3,384
So, 3,384 people visited the State Fair over the two days!
This is an example of which property?
(7 + 3) + 4 = (4 + 3) + 7
Associative
104 + 82 + 3
189
9,989 + 989
10,978
36 + 49 = 36 + 52 - _______
3
There are 2,652 green marbles in Mrs. Nelson's playroom. The playroom has 62 more red marbles than green marbles. How many marbles are in the playroom?
Green marbles: 2,652
Red marbles: 2,652 + 62 = 2,714
Total marbles: 2,652 + 2,714 = 5,366
So, Mrs. Nelson's playroom has 5,366 marbles in total!